Power:bit button cell board is a micro expansion board in the smallest size equipped with a buzzer. It can not only supply power to the board but is also equipped with P1, P2,GND and 3V ports by the row needles, which can be used with our acrylic watch straps and boards.
Assembly Drawing
Fix your micro:bit and power:bit together with screws.
Insert two Li-batteries into the battery socket.
Fix the back crystal board with 3 hexagon screws.
Make the longer watch band through the holes on the crystal board. See picture below.
Optionally, you can plug in the rainbow LED to make it looks more beautiful.
Parameters
Packing List
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1 x powerbit
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1 x Acrylic Case
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1 x Nylon Watch Band
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1 x 8 bead Rainbow LED Ring
Documents
Power:bit Introduction
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Case 01：Compass
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Case 02：Dice
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Case 03：Thermometer
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Case 04：Timer
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Case 05：Flashlight
